51results about How to "Unified security" patented technology

The invention relates to a wind farm reactive comprehensive optimization control method. The method comprises the following steps of: inputting signals into a wind farm reactive comprehensive optimization control system; switching plant or wind farm grid combining point capacitors and reactors, controlling a static var compensator (SVC) and controlling wind farm units by using the wind farm reactive comprehensive optimization control system. Through the scheme, the automatic control level of wind farm scheduling, the utilization ratio of reactive configuration equipment and the voltage stabilization level of a power grid can be improved, and reactive power comprehensive optimization coordination control over wind farms is realized.

The invention discloses a method and a system for locking and unlocking mobile phone screens. The method comprises the following steps: extracting user keying or screen touching habitual features through keys or screen touch training in advance; storing the extracted user keying or screen touching habitual features; extracting the user keying or screen touching features if the user continuously presses keys or touches the screen when using the mobile phone; matching the extracted user keying or screen touching features with the pre-stored user keying or screen touching habitual features; if the matching requirement is achieved, unlocking the screen; and if not, locking the screen. The technical scheme of the invention takes mobile phone keying frequency of the user as a distinguishing feature, is different from the traditional method for unlocking the mobile phone screens, can improve convenience for user to lock and unlock mobile phone screens, and can not reduce the difficulty to lock and unlock the mobile phone screens, thus protecting mobile phone content of users from being infringed by others.

The invention provides a retroreflection information based method for improving lighting system in urban under-crossing short tunnel. A wall lamp pole at an approach end of the short tunnel is provided with a variable-height transverse suspension cable, three rows of lamps are transversely arranged on the suspension cable, the longitudinal direction of the lamps is in accordance with the tunnel line shape and the arranging direction of the inside tunnel lamps, facade mark lines are arranged at the lower edge of the lamp pole, side walls of the approach are provided with vertical markings and multiple layers of delineators, transverse optical illusion decelerated markings are arranged on the road surface, and accordingly mid-frequency retroreflection information flow of the tunnel approach is composed. A mid-frequency retroreflection information flow of the under-crossing section of the tunnel is composed by the multiple layers of delineators of the side walls, transverse optical illusion decelerated markings on the road surface, and side wall vertical markings which are arranged on an under-crossing section of the tunnel and extend to a roof. The facade mark lines are arranged on the inner side walls of the tunnel and side walls of the approach at intervals of 1 to 2 meters in the longitudinal direction, while protruding road signs are arranged on road surfaces and road sides, and accordingly the high-frequency retroreflection information flow is composed. By the retroreflection information based method for improving lighting system in urban under-crossing short tunnel, light transition in the exit and entrance of the tunnel can be eased, and smooth transition of vehicle speeds in the exit and entrance of the tunnel is realized through arrangement of multiple retroreflection visual information.

The invention discloses a wheel type conveying line which comprises a rack. Multiple rows of eccentric rotating wheels are arranged on the rack in an equal height manner. The axes of all the eccentricrotating wheels are parallel to one another and are parallel to the horizontal plane. Each eccentric rotating wheel is arranged on an installing frame located on the rack in the manner of rotating around the axis of the eccentric rotating wheel. The eccentric rotating wheels on each row are attached to a driving roller, the driving roller makes contact with the lower semicircle of each eccentricrotating wheel, the driving roller is affected by upward elastic force, and thus the eccentric rotating wheels are attached to the driving roller in a self-adapting manner, or the driving roller makescontact with the upper semicircle of each eccentric rotating wheel, the eccentric rotating wheels are affected by the upward elastic force, and the eccentric rotating wheels are attached to the driving roller in a self-adapting manner. The driving roller rotates under the driving of a first power source, and the eccentric rotating wheels are driven to rotate through friction force. According to the wheel type conveying line, the design of the scheme is elaborate, the eccentric rotating wheels or the driving roller are affected by the upward elastic force, thus the eccentric rotating wheels always keep being attached to the driving roller, after abrasion is caused or when the installing position precision is poor, self-adaptive adjusting is achieved, rotating between the eccentric rotatingwheels and the driving roller is effectively ensured, and the conveying stability is improved.

The invention discloses a novel hybrid bridge detection vehicle. The novel hybrid bridge detection vehicle comprises a working arm, wherein the working arm comprises a box girder, a truss working platform and a swinging scaffold, wherein one end of the box girder is connected to the truss working platform through a lapping frame while the other end of the box girder is connected to a chassis; and one end of the truss working platform is connected to the box girder while the other end of the truss working platform is connected to the swing scaffold. By adopting the working arm in the new structural form, the comprehensive performances of the bridge detection vehicle are improved, and uniformity of detection amplitude, detection efficiency, bridge adaptability, safety and the like is realized.

The invention discloses a rock slope anchoring calculation method based on safety and economy multi-objective optimization. The rock slope anchoring calculation method comprises the following steps: step 1, drawing up calculation parameters of a rock slope; step 2, carrying out stress analysis on the rock slope; step 3, establishing a dual-objective function of rock slope safety and economy; step4, establishing a rock slope safety and economy multi-objective optimization nonlinear mathematical programming model which uses the double-objective function and combines rock balance equation constraint conditions, structural surface yield conditions and anchor rod additional constraint conditions at the same time; step 5, constructing an evaluation function by using a weighted sum method, and converting the nonlinear mathematical programming model for solving the multi-objective optimization into a nonlinear mathematical programming model for solving the single-objective optimization; and solving the model by using a penalty function method of nonlinear programming to obtain a safety coefficient and an anchoring cost which meet the optimal safety and economy at the same time, and an optimal anchoring angle. According to the method, the unification of economy and safety is achieved.

The invention discloses a method for computing an optimal anchoring angle of a rock slope wedge, and belongs to the technical field of analyzing the stability of a rock slope and strengthening the rock slope. A security coefficient of the wedge-shaped slope serves as an objective function, the angle and the direction of anchoring force serve as optimization variables, constraint conditions such as the balance equation of the wedge, the yield condition of a structural surface and the boundary condition are combined, and the method which is used for computing the optimal anchoring angle of the wedge and can maximize the security coefficient is provided. The computing method can compute and obtain the optimal anchoring angle of the wedge accurately, easily and conveniently, has the advantages of being clear in concept, high in computing accuracy and the like, and brings convenience for engineering technicians to carry out optimal design for strengthening the wedge so as to achieve the purpose of being safe and economical.

The invention discloses a virtual machine security monitoring method and system. A virtualization abnormal function (#VE) is utilized to realize monitoring of application program execution. Meanwhile,through isolation of EPT page tables, isolation of application programs from an operating system and memory isolation of different application programs can be realized. During execution of a CPU, through a VMFUNC function provided by CPU hardware, switching of different EPT page tables is realized, and therefore switching of execution streams is realized. According to the virtual machine securitymonitoring method and system, an in-band mode is adopted to realize virtual machine security monitoring, meanwhile secure isolation of a monitoring program from a monitoring target is supported and guaranteed based on new hardware characteristics, and finally unity of security and efficiency is achieved.

The invention discloses a handheld device. The handheld device acquires a plurality of social friend data from a social network, and each social friend datum comprises a primary key datum and a secondary key datum; the handheld device selects a first quantity of primary key data and a second quantity of secondary key data; the handheld device sets the selected primary key data into questions, and an unlocking interface is generated from the questions and the selected secondary key data and is displayed on a touch screen; the handheld device detects operation of a user on the touch screen, whether the operation of the user is matched with the questions displayed on the unlocking interface or not is judged, and the handheld device is unlocked when the operation of the user is matched with the questions displayed on the unlocking interface. The invention further provides a method for unlocking the handheld device. The handheld device and the method for unlocking the handheld device have the advantage that unlocking data which are generated randomly can be acquired from the social network of the user, so that the safety and the simplicity can be unified by the aid of the method for unlocking the handheld device.

A space truss type non-pneumatic tire structurally comprises a truss structure assembly, a rubber structure and a steel wire ring band; the rubber structure and the truss structure assembly are circumferentially distributed along the geometric center of a wheel hub; and the rubber structure, the steel wire ring band and the truss structure assembly form a composite elastomer. The truss structure assembly is composed of multiple sub modules, each sub module includes a plurality of rods, and a heptahedron is composed of the plurality of rods. The space truss type non-pneumatic tire simplifies the production process, can realize the separation of the truss structure and the rubber structure, under the premise of thorough solving of blowout of a pneumatic tire, is convenient for tire renovation and optimization, and helps to reduce rolling resistance; compared with the pneumatic tires in the prior art, the designed structure is maintenance-free and good in safety; compared with the tires lack of air in the prior art, the space truss type non-pneumatic tire is easy in replacement, light in weight and low in cost; and compared with non-pneumatic tire in the prior art, the space truss type non-pneumatic tire can solve the conflicts among noise, safety and comfortableness during high speed traveling, insufficient lifetime caused by a weak tire side structure, and other problems.

The invention belongs to the field of scale inhibitor materials and discloses a controllable slow-release polyphosphate scale inhibitor and a preparation method thereof. The preparation method includes the steps of uniformly mixing calcium oxide, concentrated phosphoric acid, silicon dioxide and aluminum oxide, enabling the raw materials to react with one another at 80-100 DEG C for 1-2 hours, raising the temperature to 1,300-1,600 DEG C for a high-temperature fusion polymerization reaction for 2-4 hours, pouring obtained reactants into a mold for molding, and conducting annealing and coolingto obtain slow-release polyphosphate; grinding the obtained slow-release polyphosphate into powder and then adding an adhesive for extrusion granulation to obtain the controllable slow-release polyphosphate scale inhibitor. The controllable slow-release polyphosphate scale inhibitor has the advantages of good scale inhibition effect, long effective period, low cost and the like. Moreover, the related preparation method is easy to operate, and the scale inhibitor is suitable for scale inhibition in the fields of drinking water treatment, industrial water treatment and the like and has an important practical application value.

The invention discloses a diverting and converging system based on multi-directional sorting wheels. The diverting and converging system comprises a main conveying line, wherein the main conveying line is connected with a friction driving type sorting wheel conveying line in a matched mode, the output end of the sorting wheel conveying line is connected with a first branch conveying line and a second branch conveying line which are parallel, and in a converging state, axes of the sorting wheels in the sorting wheel conveying line are parallel to driving rollers in the sorting wheel conveying line, wherein the driving rollers drive the sorting wheels to rotate through friction; and in a diverting state, the axes of the sorting wheels in the sorting wheel conveying line keep included angleswith the driving rollers, and the conveying direction of the sorting wheel conveying line can be switched between facing the first branch conveying line and facing the second branch conveying line. According to the scheme, the characteristic that the sorting wheels of the sorting wheel conveying line can freely turn is fully utilized, so that diverting or converging operation is realized, objectsare not damaged in the diverting process, the movement of the objects is not hindered in the converging process, and the combination of the high safety and the high efficiency are effectively realized.

The invention relates to a method for arresting ductile fracture of natural gas pipelines of level X100 and above, wherein two or more fracture arresting steel pipes, which are relatively low in strength level but relatively high in wall thickness and toughness, are connected among X100 or higher-level steel pipes at intervals of 50-100 steel pipes and by a length within a range of 600-1200 m; and the wall thickness of the fracture arresting steel pipe is calculated according to pressure bearing capacity the same as that of a main pipeline, while the toughness thereof is determined by a method recommended in Petroleum and Natural Gas Industries-Steel Pipe for Pipeline Transport System ISO 3183: 2007 and the appendix G of Pipeline Steel Pipe Standards (Version 44) API Spec5L: 2007. The manufacturing technical difficulty and the manufacturing cost of the fracture arresting steel pipe with low strength level and high toughness are low, and the toughness index thereof is easy to achieve, so that the safety requirements of the pipeline fracture arrest are met, and unification of safety and economical efficiency is realized.

The invention discloses a method and a device for configuring a phase modulator of a high-capacity VSC converter station. The method comprises the following steps of: collecting a response curve of active power of a VSC-HVDC system about time in each expected fault, and a response curve of the active power of the VSC-HVDC about the time in each expected fault when phase modulators with different quantities are configured; calculating the effect indexes of the configured phase modulators for improvement of the VSC-HVDC system alternating current fault ride-through capacity according to the response curves; calculating the effect-cost comprehensive evaluation indexes of the configured phase modulators for improvement of the VSC-HVDC system alternating current fault ride-through capacity according to the effect indexes; and selecting the optimal configuration quantity of the phase modulator according to the effect-cost comprehensive evaluation indexes. The method and a device for configuring a phase modulator of a high-capacity VSC converter station achieves the unification of the safety and the economy of the phase modulator configuration and provides a technical idea for the near-zone dynamic reactive compensation configuration of the high-capacity converter station.

The invention relates to an external wind-feeding lifter air conditioner, belonging to the lifter air-condition system, which comprise a wind feeding pipe (2) connecting the lifter well, a wind-back pipe (3) and a fan (4) on the top of lifter box. It is characterized in that: it also comprises an external air-condition group (1) outside the lifter well to feed the treated air via wind feeding pipe (2) and the fan (4) into lifter box to realize adjusting the air temperature of lifter box. Compared to present lifter air-condition system, the invention has simple structure, bigger effective load, lower cost, easy adjustment, and easy installment. And the invention can solve the hidden accident caused by the condensed water in traditional lifter air-condition system by processing refrigeration outside the well and directly discharging the condensed water outside the well.

The invention relates to a safety high-temperature and high-pressure reaction vessel sealing structure for solvothermal synthesis, belongs to the field of solvothermal synthesis application and aims at solving the technical problem of providing the solvothermal high-temperature and high-pressure reaction vessel sealing structure capable of relatively well integrating the sealing property and the safety. According to the technical scheme, the safety high-temperature and high-pressure reaction vessel sealing structure for the solvothermal synthesis comprises a vessel body 1, a vessel cover 2 and a sealing pin 3; the vessel body 1 and the vessel cover 2 are connected and fastened by threads, the sealing pin 3 is compacted by the vessel cover so as to realize the conical sealing between the sealing pin 3 and the vessel body 1. The safety high-temperature and high-pressure reaction vessel sealing structure for the solvothermal synthesis is mainly used as a safety high-temperature and high-pressure solvothermal synthesis reaction container applied in the field of the solvothermal synthesis of a nanomaterial and other materials under the high-temperature and high-pressure conditions, and also can be used as a digestion tank appiled in the fields of quality testing, drug testing and food testing under the high-temperature and high-pressure conditions. The safety high-temperature and high-pressure reaction vessel sealing structure for the solvothermal synthesis has the beneficial effects of being capable of guaranteeing the safety of the high-pressure reaction vessel for the solvothermal synthesis, avoiding extreme accidents of explosion and the like as the pressure in the high-pressure reaction vessel exceeds the pressure-proof safety value in a metal material, and solving the safety and sealing problems.

The present invention discloses an underground gas storage well safety status grade evaluation method. The method comprises the steps of making the concrete test evaluation items, wherein the evaluation items comprise the external macroscopic situation, the wellhead thread corrosion damage, the material, the internal corrosion, the external corrosion thinning, the crack, the well cementation, a pressure-tight test and an air-tight test; according to the test situations of the items, evaluating separately, and taking the lowest item grade as the gas storage well safety status evaluation grade. The underground gas storage well safety status grade evaluation method solves the disadvantages that a conventional fixed pressure container safety status evaluation method lacks pertinency for the underground gas storage wells, is not strong in applicability and lacks operability.

The invention discloses an intelligent management system and method for an ambulance. The management system comprises a mobile nursing information center, a two-dimensional code tag and a scanning terminal used for identifying a two-dimensional code, wherein the mobile nursing information center comprises an input module, an object information management module used for managing object information, an output module and a two-dimensional code generation module used for generating the two-dimensional code; the two-dimensional code tag is the paper printing tag of the two-dimensional code generated by the two-dimensional code generation module and is pasted to the door slot of the ambulance corresponding to the paper printing tag; the scanning terminal is two-dimensional code identification equipment capable of identifying the two-dimensional code in the two-dimensional code tag; and the scanning terminal carries out communication with the mobile nursing information center through a wireless network. By use of the system, a working process can be simplified, daily nursing time can be greatly reduced so as to improve the nursing efficiency of the ambulance, and in addition, the problems of wrong detection, missing detection and the like due to manual factors can be avoided.

The invention discloses a Fenton technology based sewage treatment system and a treatment method thereof. The treatment system comprises a sand filtering tank, a Fenton reactor, a reaction tank and aclean water tank which are sequentially connected, wherein the sand filtering tank has a structure for trapping pollutants from sewage; the Fenton reactor is used for producing hydroxyl free radicalsin a manner that activated charcoal serves as a catalyst and reacts with hydrogen peroxide; the reaction tank is used for removing superfluous hydrogen peroxide from the Fenton reactor; the clean water tank is used for adjusting a pH value of the sewage in the clean water tank. According to the Fenton technology based sewage treatment system and the treatment method thereof, the design is ingenious, activated charcoal serves as an adsorbent and also serves as a catalyst; on one hand, pollutants can be enriched through an adsorptive action, and the content of the pollutants is lowered; meanwhile, the activated charcoal catalyzes H2O2 to form .OH free radicals, the .OH free radicals fully react with and degrade the pollutants, and the reaction efficiency is greatly increased; furthermore, the activated charcoal does not participate in a reaction as a reactant during reaction, and the amount of the activated charcoal cannot be reduced along with the reaction, so that the consumption of agents is greatly lowered, tedious operations of repeatedly adding the agents are saved; meanwhile, the yield of sludge is reduced, and the operating cost is reduced.

The invention discloses a conveying device. The conveying device comprises a machine frame, wherein a plurality of rows of conveying wheels are arranged on the machine frame in an equal-height mode, axes of all the conveying wheels are parallel to one another and are parallel to the horizontal plane, each conveying wheel can be arranged on a support in a rotation manner around the axis of the correspondingly conveying wheel, and the supports on which each row of conveying wheels are located are arranged on one supporting rod fixed on the machine frame. According to the scheme, the design is ingenious, the structure is simple, each row of conveying wheels are located on one independent supporting rod, therefore gravity borne by each supporting rod can be effectively reduced, the problem that all conveying wheels in an existing structure are located on the same supporting plate so as to easily cause deformation of the supporting plate is effectively solved, the stability of the integralstructure and the accuracy of conveying positions are ensured, and the effectiveness and the reliability of conveying are effectively improved.

The invention relates to a cosmetic for acne removal and a preparation method thereof. The cosmetic for acne removal is prepared from 1.0-6.0% of a honeysuckle flower extract solution, 0.2-3.5% of a radix stemonae extract solution, 1.0-4.5% of a radix sophorae flavescentis extract solution, 0.10-0.55% of polyhexamethylene guanide hydrochloride (PHMG), 0.8-4.2% of a herb trinity extract solution, 0.2-3.0% of a radix salviae miltiorrhizae extract solution, 1.2-5.8% of a fructus forsythiae extract solution, 0.2-3.0% of allantoin and the balance deuterium-depleted water. The cosmetic has a remarkable effect on acne and achieves whole-process safe multi-effect nursing on the acne skin in the aspects of precise oil control, cutin treatment, sterilization and inflammation prevention, skin lesionrepair, water replenishing and moisturizing, immunity improvement and the like according to the physiological and pathological characteristics of the acne skin from a source of grease control and keratin metabolism of the acne skin. The unification of the desired multi-effect performance, safety, rapid continuous performance and conditioning performance of a patient is achieved, and the cosmetic is a new-generation acne removal product with a significant effect on acne.

The invention provides a steel plate concrete shear wall column reinforcement design method which comprises the following steps: firstly, analyzing and calculating an overall structure model to obtaina design internal force, an axial force, a bending moment and a shear force of each wall column; calculating the axial compression ratio of the wall column, and determining the type of an edge component so as to determine the minimum value of the corresponding construction measure requirement; determining the profile steel area Aa configured in the shadow part of the edge component; determining the area Ap of a steel plate configured in the shear wall according to the shear section limit value condition, and determining the type of a calculation formula according to the numerical range of theAp; determining the reinforcement ratio of the vertical distribution bars of the wall column; checking and calculating the bearing capacity of the normal section, obtaining the area As of the longitudinal reinforcing steel bars configured in the shadow part of the edge component by taking the larger value of the bias voltage and bias tension calculation result, and determining the calculation mode according to whether As exceeds the limit or not; calculating the shear capacity of the oblique section to obtain the area Ash of the horizontally distributed steel bars of the shear wall, and determining the calculation mode according to whether the area Ash of the horizontally distributed steel bars of the shear wall exceeds the limit or not.

The invention relates to a fruit puree food and a processing method thereof. The fruit puree food is prepared from the following raw materials in parts by weight: 5-15 parts of hawthorn fruits, 4-6 parts of long yam, 1-3 parts of raspberry juice and / or mulberry fruit juice, 1-3 parts of rock candy and 0.5-1.5 parts of honey. The processing method of the fruit puree food comprises the following steps: mixing the hawthorn fruits, the long yam, the raspberry juice and / or mulberry fruit juice, the rock candy and the honey according to the ratio, steaming the mixture for 30-60 minutes at the temperature of 90-100 DEG C, stirring till the mixture is pasty, canning and sealing, and sterilizing for 10-20 minutes at the temperature of 90-100 DEG C. The selected raw materials contain nutrient elements and trace elements beneficial to human body and also have high pharmacological values; the fruit puree food is free of preservatives and chemical additives; the process route is designed according to the standard requirements of the green foods; the color, the taste, the sweetness and the acidity of the food are regulated by the natural flavor of the raw materials; the prepared food has the characteristics of beautiful color, fragrant smell, palatable sweetness and acidity, and rich and balanced nutrition.

The invention discloses an aircraft with wings capable of rotating integrally. The aircraft comprises a fuselage, the wings, a power mechanism and a mounting groove; the head of the fuselage is front-rear symmetrically provided with balance canards, the middle part of the upper end of the fuselage is provided with the mounting groove, and the wings and the power mechanism are installed in the mounting groove; the power mechanism includes a first power motor and a power gear, and the first power motor is a double shaft motor, and two motor shafts of the first power motor are correspondingly provided with power gears; and the inner parts of the wings are provided with a first rotating shaft, the front and rear sides of the first rotating shaft are correspondingly provided with rotating shaftseats in a sleeving mode, and the middle position of the first rotating shaft is provided with a first fixed gear. According to the aircraft with wings capable of rotating integrally, the adjustmentof the wing angle during taking-off, flight and landing can be achieved through structural parts such as the power mechanism, the first rotating shaft, the rotating shaft seats and a first brake mechanism, so that the aircraft can realize vertical taking-off and landing, and at the same time, the aircraft can take off at the most economical and reasonable wing angle so as to realize the unity of safety, stability, economy and comfort level.

The invention discloses a boiler thermal efficiency online calculation method of a household garbage incineration boiler, and relates to the technical field of energy conservation of household garbage incineration boilers. The problem that in the prior art, the boiler heat efficiency of the household garbage incineration boiler with the external steam air preheater cannot be accurately obtained in real time is solved. Smoke exhaust heat loss heat Q2, gas incomplete combustion heat loss heat Q3, solid incomplete combustion heat loss heat Q4, boiler heat dissipation loss Q5, ash physical heat loss heat Q6 and input heat Qin are obtained through collected data, and then the boiler heat efficiency eta'is obtained through the collected data Q2, Q3, Q4, Q5, Q6 and Qin; and the boiler thermal efficiency online calculation platform corrects the boiler thermal efficiency eta'through an iterative algorithm, so that the corrected boiler thermal efficiency eta 'is obtained, and finally online calculation of the boiler thermal efficiency is completed. The invention is mainly used for on-line calculation of the thermal efficiency of the boiler.

The invention relates to an external wind-feeding lifter air conditioner, belonging to the lifter air-condition system, which comprise a wind feeding pipe (2) connecting the lifter well, a wind-back pipe (3) and a fan (4) on the top of lifter box. It is characterized in that: it also comprises an external air-condition group (1) outside the lifter well to feed the treated air via wind feeding pipe (2) and the fan (4) into lifter box to realize adjusting the air temperature of lifter box. Compared to present lifter air-condition system, the invention has simple structure, bigger effective load, lower cost, easy adjustment, and easy installment. And the invention can solve the hidden accident caused by the condensed water in traditional lifter air-condition system by processing refrigeration outside the well and directly discharging the condensed water outside the well.

Computing devices, each of which monitors information in a monitoring environment, take on the role of a controller for some of them, separating the (real or virtual) elements of the environment into subsets. Computing devices provide their results to a unification device, which combines them into a monitoring parameter. Each computing device monitors its parameters based on a timestamp, so unification devices can determine whether results from those computing devices represent the same state of the environment. Unification devices divide the results from their computing devices into uniform durations. Even if results don't reflect the same environment state, unification devices can still approximate results for unification. Elements can be reassigned on time boundaries, or can be duplicated, with unification devices still able to unify results. Predicted queries can be pre-computed.

The invention relates to the field of micro-grids, in particular to a multi-target hierarchical economic dispatching method for a micro-grid containing an electric vehicle, which comprises the steps of upper-layer source grid-level dispatching of the micro-grid and lower-layer load-level dispatching of the micro-grid. An optimization target is established for the micro-grid in a hierarchical manner based on the operation characteristics of each dispatching participating unit of the micro-grid to carry out coordination control. Micro-grid economic dispatching is divided into upper-layer source network-level dispatching and lower-layer load-level dispatching, the upper-layer source network-level dispatching obtains an optimal energy storage plan according to real-time power and capacity limitation of a distributed renewable energy unit, an energy storage system and a conventional load in the micro-grid, and lower-layer load-level optimization operation considers electric vehicle access. And according to the unbalanced power in the micro-grid after the upper-layer source network level optimization, the charging electricity price of the electric vehicle is formulated, and an ordered charging strategy of the electric vehicle is solved. According to the method, the consumption level of renewable energy sources in the microgrid can be improved, and a basis is provided for unification of economy and safety of the microgrid, an electric vehicle group and a power system main network.